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Sparky
Joined: 08 Dec 2003
Posts: 19072
Location: PDX11/7/18 11:27 PM |
C Record ?
What is the deal with the down tube shifter secondary lever?
Never seen this before personally
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daddy-o
Joined: 12 Apr 2004
Posts: 3307
Location: Springfield11/8/18 5:14 AM |
Does the rear drop out have some odd small eyelets? Is there a smooth round plate attached to the inside of the dropout, like something that could be a chain hanger?
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Sparky
Joined: 08 Dec 2003
Posts: 19072
Location: PDX11/8/18 7:45 AM |
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Brian Nystrom
Joined: 26 Jan 2004
Posts: 5100
Location: Nashua, NH11/8/18 7:55 AM |
Does the secondary lever switch between indexed and non-indexed modes, perhaps?
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RCoapman
Joined: 09 Feb 2005
Posts: 5141
Location: Back in the snowy homeland11/8/18 8:00 AM |
What you've got there is a
Syncro shifting system
.
"The SYNCRO shift lever is
actually composed of two levers:
the main one functioning as th e
gear selector, while the second
smaller one, coaxial with the first,
changes the system from selector
(INDEX) mode to friction mode."
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dan emery
Joined: 11 Jan 2004
Posts: 6886
Location: Maine11/8/18 2:39 PM |
beats me
I have C Record, but not that particular mutation.
Can't go wrong with a Serotta (I have 4).
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Sparky
Joined: 08 Dec 2003
Posts: 19072
Location: PDX11/8/18 9:54 PM |
Cool data at that very cool link...
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dan emery
Joined: 11 Jan 2004
Posts: 6886
Location: Maine11/9/18 5:26 AM |
Synchro
Those levers must have really sucked because they replaced them with Synchro 2 which had toothed washer inserts that would break and were a total PITA to replace.
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dddd
Joined: 11 Jan 2004
Posts: 3345
Location: NorCal11/9/18 12:14 PM |
Count me as one who actually liked the 7s permutation of SynchroII, though with the benefit of newer freewheel and chain and with the shifter guts kept lubricated.
The listed bike has the valuable 1st-gen C-Record rear derailer, but the brakes and cranks appear to be Athena and Chorus, respectively.
That rear derailer is worth real money if the mounting tab piece isn't broken, the telltale indication of which is that the seller removes a washer and bolts the derailer on solid (no pivoting) at the mounting bolt.
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Sparky
Joined: 08 Dec 2003
Posts: 19072
Location: PDX11/9/18 2:22 PM |
"rear derailer is worth real money"
On the Serotta Polka Dot bike?
In this pic, is the cast stop gen-1 and the steel add on gen-2 or something?
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dan emery
Joined: 11 Jan 2004
Posts: 6886
Location: Maine11/9/18 6:20 PM |
Worth real $
Like what?
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Sparky
Joined: 08 Dec 2003
Posts: 19072
Location: PDX11/9/18 6:56 PM |
eBay show closed sold auctions between 2-300.00. NOS 450.00
And this auction, the DR was far from mint too.
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dddd
Joined: 11 Jan 2004
Posts: 3345
Location: NorCal11/10/18 11:37 PM |
Thanks for doing my homework, parts like these can be a good way to get the rest of a bike cheaply, snce a lot of good vintage bikes end up selling for just $300-500.
I've bought a few great vintage bikes that were nearly free after I sold off an included pair of Delta calipers or even Cobaltos.
So it's worth knowing what top parts on the used market are going for when searching for vintage bike buys.
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